Storage cabinet



FIG. 1 is a front elevational view of a storage cabinet showing my new design.

FIG. 2 is a rear elevational view thereof.

FIG. 3 is a right-side elevational view thereof, with the left-side elevational view thereof being a mirror image.

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines in FIG. 1 depict environment and form no part of the claimed design. 

The ornamental design for a storage cabinet, as shown and described. 